Update app.py

app.py

@@ -181,8 +181,7 @@ Answer:"""
 def create_gradio_interface():
     try:
         logger.info("Creating Gradio interface...")
-        # You should never hardcode API keys - use environment variables in production
-        api_key = os.getenv("HUGGINGFACE_API_KEY", "your_huggingface_api_key")
+        api_key = os.getenv("HF_API_KEY")
         rag = RAGApplication(hf_api_key=api_key)
         
         with gr.Blocks() as demo: